king of the Goths, murderer of Svanhild, the daughter of Sigurd: killed by the Gjukungs; probably identical with Ermanaric (4th century a.d.), the Ostrogothic leader
Word origin
[‹ ON Jǫrmunrek, equiv. to jǫrmun- great + -rek(r), earlier -rīkr (cf. rīkr powerful, rich); c. OE Eormenric]